''Vema'' is a
genus
Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...
of deep-sea
mollusc
Mollusca is a phylum of protostome, protostomic invertebrate animals, whose members are known as molluscs or mollusks (). Around 76,000 extant taxon, extant species of molluscs are recognized, making it the second-largest animal phylum ...
s,
monoplacophora
Shell of Monoplacophora
Monoplacophora , meaning "bearing one plate", is a polyphyletic class of molluscs with a cap-like shell, inhabiting deep sea environments. Extant representatives were not recognized as such until 1952; previously they wer ...
ns. The genus is named after the oceanographic
Research Vessel ''Vema''.
All ''Vema'' species have six pairs of gills.
Species
* ''
Vema bacescui''
(Menzies, 1968)
* ''
Vema ewingi''
(Clarke & Menzies, 1959)
* ''
Vema levinae''
Warén, 1996
* ''
Vema occidua''
B. A. Marshall, 2006
References
Monoplacophora
Mollusc genera
{{Mollusc-stub